美国科研出版社期刊
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作者:Fredrick Madaraka Mwema
来源:[J].International Journal of Nonferrous Metallurgy, 2017, Vol.06 (01), pp.1-16Scientific Research Publishing
摘要:The purpose of this research is to develop a SolidWorks ? model for transient temperature field of laser welding of PMMA/SS 304 materialsfor application in fabrication of the ultrasonic back-plate, with a view ofoptimizing the experimental conditions. The study is carr...
作者:Abduali Baeshov , Begzat Myrzabekov , Arman Makhanbetov ...
来源:[J].International Journal of Nonferrous Metallurgy, 2017, Vol.06 (02), pp.17-26Scientific Research Publishing
摘要:Method and mechanism for the formation of sulfur compounds during theprocess of sulfur electrochemical dissolution has been studied, including atechnique for the production of composite sulfur-graphite electrode. Along withthese, a 3D design is presented in the unit that was used...
作者:Hanno Vogel , Bernd Friedrich
来源:[J].International Journal of Nonferrous Metallurgy, 2017, Vol.06 (03), pp.27-46Scientific Research Publishing
摘要:The neodymiumelectrolysis produces unnecessary high emission of CF 4 and C 2 F 6 .These perfluorocarbons (PFC s ) are potent greenhouse gases and are not filtered ordestroyed in the off-gas. A process control in analogy to the a...
作者:Qi Zhu , Ling Shen , Jianjun He ...
来源:[J].International Journal of Nonferrous Metallurgy, 2017, Vol.06 (04), pp.47-59Scientific Research Publishing
摘要:Thetemperature of aluminum alloy work-pieces in the aging furnace directly affectsthe quality of aluminum alloy products. Since the temperature of aluminum alloywork-pieces cannot be measured directly, a temperature prediction model based onimproved case-based reasoning (CBR) met...
作者:Hidekazu Sueyoshi , Kousaku Yamada , Masashi Miyazaki ...
来源:[J].International Journal of Nonferrous Metallurgy, 2018, Vol.07 (01), pp.1-7Scientific Research Publishing
摘要:The Mechanism of Pbremoval from brass scrap by compound separation using Ca and NaF addition wasinvestigated. Becauselarge Ca-Pb compound particles formed by Ca addition ris e to the surface of themolten brass, they can be skimmed off from the molten brass. However, fineCa-Pb com...
作者:Zhi-xiong Liu , Lin Sun , Liang-dong Tang ...
来源:[J].International Journal of Nonferrous Metallurgy, 2018, Vol.07 (02), pp.9-23Scientific Research Publishing
摘要:The removal of metallic impurities from off-gradecopper concentrate was investigated in alkaline solution with H 2 O 2 .The analysis results of XRD and SEM-EDS revealed the oxidative mechanisms of allsulfides. The influence of various parameters of a...
作者:Mohammad Hasan Omidi , Omid Salmani Nuri , Hassan Tavakoli
来源:[J].International Journal of Nonferrous Metallurgy, 2018, Vol.07 (03), pp.25-38Scientific Research Publishing
摘要:This study was carried out to investigate the interaction of oxalic acid with hydrochloric acid to attain the better performance for iron dissolution in comparison to absence of oxalic acid. The effects of oxalic acid on ratio of hydrochloric acid, acid concentration, ratio ...
作者:Hidekazu Sueyoshi , Masashi Miyazaki , Takuya Okada ...
来源:[J].International Journal of Nonferrous Metallurgy, 2018, Vol.07 (04), pp.39-55Scientific Research Publishing
摘要:2 wt% Ca was added to molten brass containing 3.2 wt% Pb. The composition and grain size of the formed Ca-Pb compound were examined in detail using SEM-EDS and XRD. This revealed that the composition of the Ca-Pb compound depends on the grain size of the liquid phase Pb and ...
作者:Cristian Vargas , Patricio Navarro , Daniel Espinoza ...
来源:[J].International Journal of Nonferrous Metallurgy, 2019, Vol.08 (01), pp.1-8Scientific Research Publishing
摘要:In this work the dissolutive behavior of gold in alkaline medium using thiourea (TU), under different variables, was studied in a theoretical and experimental way, in order to determine the conditions under which it is feasible to dissolve gold in thiourea-alkaline medium. A...
作者:Udochukwu Mark , Charles Nwachukwu Anyakwo , Okechukwu Onyebuchi Onyemaobi ...
来源:[J].International Journal of Nonferrous Metallurgy, 2019, Vol.08 (02), pp.9-24Scientific Research Publishing
摘要:Bauxite deposits for production of alumina are lacking in Nigeria and there is an aluminium smelter plant in the country which requires alumina for its operation. Development of alternative alumina resource using clays that are abundant in the country is the focus of this pa...

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